- Insect pheromone biosynthesis: stereochemical pathway of hydroxydanaidal production from alkaloidal precursors in Creatonotos transiens (Lepidoptera, Arctiidae). Schulz, S., Francke, W., Boppré, M., Eisner, T., Meinwald, J. Proc. Natl. Acad. Sci. U.S.A. (1993)